11. In order to improve our standard of living, we have to accelerate production.' d& M: |2 s: T9 @
A)step up B)decrease C)stop D)control $ q& J% W' T/ [$ W4 @. K12. Gas does accumulate in the mines around here.% k% V% U7 Y- v" P0 ^( v$ q
A)increase B)spread C)collect D)grow - M5 \8 V9 n; ]; ~ B5 N& N' t13. Our plan is to allocate one member of staff to handle appointments. , T: F1 \) M0 f* s$ x A)assign B)persuade C)ask D)order; f) c* ~' z6 R5 \
14. Her behavior is extremely childish. 4 V7 z/ w7 G7 l/ B0 a A)simple B)immature C)beautiful D)foolish 9 P3 h, n5 N( l# j! D# N+ c% f' e! }* G15. We also want to use the water to irrigate barren desert land. 6 B) A( G1 y$ Y1 y d A)hairless B)bare C)empty D)bald